Multiple Choice
Identify the
choice that best completes the statement or answers the question.
|
|
|
1.
|
Which unit is used for density?
a. | grams | c. | cubic centimeters | b. | liters | d. | grams per cubic
centimeters |
|
|
|
2.
|
At which temperature are the particles in a pencil moving the fastest?
|
|
|
3.
|
_____ increases when a ball bounces up and decreases as a ball goes down.
a. | Thermal energy | c. | Potential energy | b. | Kinetic energy | d. | Heat |
|
|
|
4.
|
Snow melts after a snowstorm because of the addition of _____.
a. | thermal energy | c. | potential energy | b. | kinetic energy | d. | force |
|
|
|
5.
|
During a hot shower, water vapor fogs up the cooler mirror when it turns to
water. This is an example of _____.
a. | condensation | c. | sublimation | b. | deposition | d. | vaporization |
|
|
|
6.
|
Which of the following is NOT an idea in the kinetic molecular theory?
a. | small particles make up all matter | b. | the particles in matter are in constant, random
motion | c. | the particles in matter collide with other particles, other objects, and the walls of
their container | d. | when particles in matter collide energy is lost |
|
|
|
7.
|
The amount of force that is exerted on a balloon by the gas inside the balloon
is _____.
a. | temperature | c. | volume | b. | pressure | d. | heat |
|
|
|
8.
|
The equation for Charles’s Law is  . Use the
equation to solve the problem. A 250 mL sample of neon gas is collected at 317 K. Assuming the
pressure remains constant, what would be the volume of the neon at 273 K. a. | 220 mL | c. | 290 mL | b. | 346 mL | d. | 44 mL |
|
|
|
9.
|
The formula for Charles’s Law is  . Use this
law to solve the problem. A sample of oxygen gas has a volume of 27.3 mL at 294 K. At what
temperature would the gas have a volume of 40.0 mL? a. | 201 K | c. | 3.7 K | b. | 431 K | d. | 9.3 K |
|
|
|
10.
|
The measure of the average kinetic energy of the particles of a substance is the
_____.
a. | temperature | c. | thermal energy | b. | heat | d. | kinetic energy |
|
|
|
11.
|
The three basic components of an atom are _____.
a. | protons, neutrons, and ions | c. | protons, neutrinos, and
ions | b. | protons, neutrons, and electrons | d. | protium, deuterium, and
tritium |
|
|
|
12.
|
The nucleus of an atom consists of _____.
a. | electrons | c. | protons and neutrons | b. | neutrons | d. | protons, neutrons, and
electrons |
|
|
|
13.
|
Which two particles would be attracted to each other?
a. | electrons and neutrons | c. | protons and neutrons | b. | electrons and protons | d. | All particles are attracted to each
other. |
|
|
|
14.
|
A certain atom has 26 protons, 26 electrons, and 30 neutrons. It mass number is
____.
|
|
|
15.
|
If two atoms have the same number of protons but different numbers of neutrons,
they will have the same ____.
a. | half-life | c. | atomic number | b. | mass number | d. | degree of
stability |
|
|
|
16.
|
Which particles have almost the same mass?
a. | proton and electron | c. | electron and neutron | b. | proton and neutron | d. | all three
particles |
|
|
|
17.
|
In an atom, electrons ____.
a. | are located in the nucleus | b. | are paired with neutrons | c. | travel outside the
nucleus | d. | are always in the same place in an atom |
|
|
|
18.
|
The energy levels of an atom are occupied by ____.
a. | electrons | c. | neutrons | b. | protons | d. | ions |
|
|
|
19.
|
Which of the following statements about the atom is false?
a. | Each atom has a tiny nucleus at its center. | b. | All the protons and
neutrons are located in the nucleus. | c. | Electrons travel in definite circular pathways
around the nucleus. | d. | All atomic nuclei are positively
charged. |
|
|
|
20.
|
Approximately how many elements are metals?
a. | half of the periodic table | b. | one-third of the periodic
table | c. | three-fourths of the periodic table | d. | all of the periodic
table |
|
|
|
21.
|
What is meant by periodic in Periodic Table?
a. | the table has repeated cycles | c. | the table is only good for so
long | b. | the elements occur more than once | d. | the table can be changed as
needed |
|
|
|
22.
|
The place of an element in the modern periodic table is determined by its
_____.
a. | atomic number | c. | density | b. | atomic mass | d. | chemical
activity |
|
|
|
23.
|
Which of the following categories of elements represents almost three-fourths of
the periodic table?
a. | gases | c. | metals | b. | metalloids | d. | nonmetals |
|
|
|
24.
|
Which elements have properties of both metals and nonmetals?
a. | gases | c. | metals | b. | metalloids | d. | nonmetals |
|
|
|
25.
|
The elements in the second column from the left edge of the periodic table are
the _____.
a. | alkali metals | b. | alkaline earth metals | c. | transition
elements | d. | lanthanide and actinide series |
|
|
|
26.
|
The large group of elements in the main part of the periodic table are the
_____.
a. | alkali metals | b. | alkaline earth metals | c. | transition
elements | d. | lanthanide and actinide series |
|
|
|
27.
|
Which of the following is NOT a property of all metals?
a. | conduct electricity | c. | does not conduct heat | b. | shiny | d. | malleable when solid |
|
|
|
28.
|
All metals _____.
a. | melt at high temperatures | c. | contain iron | b. | conduct heat and
electricity | d. | react with air
and water |
|
|
|
29.
|
At room temperature, most of the metals are _____.
a. | soft | c. | liquids | b. | malleable | d. | solid |
|
|
|
30.
|
Which of the following is NOT one of the main elements in the human body?
a. | oxygen | c. | carbon | b. | lead | d. | hydrogen |
|
|
|
31.
|
The majority of the human body is made of which type of element?
a. | metal | c. | nonmetal | b. | metalloid | d. | synthetic |
|
|
|
32.
|
Which statement about noble gases is correct?
a. | They form compounds with very bright colors. | b. | They exist as single
atoms rather than as molecules. | c. | They are highly reactive with both metals and
nonmetals. | d. | They rarely form compounds in nature. |
|
|
|
33.
|
Helium and most nonmetals are found in which area of the periodic table?
a. | On the left-most side. | b. | On the right side. | c. | In the middle column
of the periodic table. | d. | In the bottom
rows. |
|
|
|
34.
|
A halogen is found in group _____.
|
|
|
35.
|
Which of the following elements is the most common element in the
universe?
a. | hydrogen | c. | nitrogen | b. | helium | d. | oxygen |
|
|
|
36.
|
Which elements are located between the metals and the nonmetals on the periodic
table?
a. | halogens | c. | noble gases | b. | metalloids | d. | synthetics |
|
|
|
37.
|
Which of the following is the most abundant metalloid in the universe?
a. | boron | c. | silicon | b. | germanium | d. | tellurium |
|
|
|
38.
|
In what state are most nonmetals at room temperature?
a. | solid | c. | gas | b. | liquid | d. | synthetic |
|
|
|
39.
|
All ____ except mercury are solids at room temperature.
a. | metalloids | c. | metals | b. | nonmetals | d. | mixtures |
|
|
|
40.
|
In general, nonmetals are ____.
a. | good conductors of electricity | c. | good conductors of
heat | b. | malleable and ductile | d. | gases at room temperature |
|
|
|
41.
|
In general, metals are ____.
a. | poor conductors of heat | c. | poor conductors of
electricity | b. | brittle | d. | good conductors of heat |
|
|
|
42.
|
In the modern periodic table, elements are arranged according to increasing
____.
a. | atomic number | c. | date of discovery | b. | atomic mass | d. | electrical
conductivity |
|
|
|
43.
|
A _____ is matter that is always made up of the same combination of
atoms.
a. | pH | c. | dilute | b. | substance | d. | pH meter |
|
|
|
44.
|
Two or more substances that are physically blended but are not chemically bonded
are called _____.
a. | mixtures | c. | indicators | b. | solvents | d. | concentrations |
|
|
|
45.
|
The amount of a particular solute in a given amount of solution is _____.
a. | ionic | c. | concentration | b. | pH | d. | neutral |
|
|
|
46.
|
If a substance has a high solubility, _____ of it can dissolve in a given
solvent.
a. | less | c. | an equal amount | b. | more | d. | none |
|
|
|
47.
|
_____ is an inverse measure of the concentration of hydronium ions (H  O  ) in a solution? a. | Acidity | c. | pH | b. | Polarity | d. | Solubility |
|
|
|
48.
|
Which of the following is a substance?
a. | soda | c. | granite | b. | trail mix | d. | gold |
|
|
|
49.
|
Which of the following can NOT be used to separate heterogeneous
mixtures?
a. | a strainer | c. | a scoop | b. | a magnet | d. | a microscope |
|
|
|
50.
|
A solution that contains all the solute it can hold under the given conditions
is ____.
a. | saturated | c. | dilute | b. | unsaturated | d. | supersaturated |
|
|
|
51.
|
Stainless steel is an example of a ____ solution.
a. | liquid-solid | c. | solid-solid | b. | solid-liquid | d. | gas-solid |
|
|
|
52.
|
Which of the following types of substance would be least likely to dissolve in
water?
a. | a nonpolar molecule like cholesterol | b. | a polar molecule like ethyl
alcohol | c. | an ionic compound, such as magnesium chloride | d. | a polar molecule
like the fruit sugar, fructose |
|
|
|
53.
|
The amount of table sugar that will dissolve in 1 kg of water can be increased
by ____.
a. | stirring the solution | b. | heating the solution | c. | breaking the sugar
into smaller pieces | d. | doing any of the
above |
|
|
|
54.
|
How does a solution with a pH of 2 compare to a solution with a pH of 1?
a. | The pH 2 solution is two times more acidic than that with a pH of
1. | b. | The pH 1 solution is ten times more acidic than that with a pH of
2. | c. | The pH 1 solution is two times more basic than that with a pH of
2. | d. | The pH 2 solution is ten times more acidic than that with a pH of
1. |
|